Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in Fig
The coefficient of static friction between boards and surface is 0.5. The minimum value of , for which this type of arrangement is possible is
a) |
|
b) |
|
c) |
|
d) |
It is not possible to have this type of balanced arrangement |
Two uniform boards, tied together with the help of a string, are balanced on a surface as shown in Fig
The coefficient of static friction between boards and surface is 0.5. The minimum value of , for which this type of arrangement is possible is
a) |
|
b) |
|
c) |
|
d) |
It is not possible to have this type of balanced arrangement |
(b)
For the equilibrium of the entire structure,
Given
For individual boards,
and
For safe equilibrium,
So the minimum value of for this type of arrangement is
In the above given diagram, which blood vessel represents vena cava? |
|||||||
1) |
C |
2) |
D |
3) |
A |
4) |
B |
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